"Hey Bob Costas we all kno (sic) that obesity is a direct result of the proliferation of spoons and forks. Get a clue,” Nugent tweeted.

“BobCostas has clearly lost his mind. Inanimate objects are the problem not murderers. Brilliant.”

On Saturday morning at Belcher shot and killed Kasandra Perkins, 22, who was the mother of his 3-month-old daughter, and then drove from the couple’s home to Arrowhead Stadium where he committed suicide in the parking lot of the team's practice facility.

Team officials tried to stop him, including general manager Scott Pioli and head coach Romeo Crennel.

Belcher reportedly thanked the men for their help but said "it was too late" before he killed himself.

In the commentary Sunday night, Costas, who paraphrased and quoted extensively from a piece by sports columnist Jason Whitlock, said, "If Jovan Belcher didn't possess a gun, he and Kasandra Perkins would both be alive today.

Former GOP presidential candidate Herman Cain weighed in, tweeting, “You tune in for a football game and end up listening to Bob Costas spewing sanctimonious dreck.

On the other hand, former talk show host Rosie O'Donnell tweeted "way to go, Bob Costas."

Costas’ former NBC colleague Keith Olbermann observed that it was "amazing that all those ripping my friend Bob Costas would, had he taken opposing view, be defending him for using the 1st."

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